72635470 has 16 divisors (see below), whose sum is σ = 130860000. Its totient is φ = 29028384.

The previous prime is 72635467. The next prime is 72635473. The reversal of 72635470 is 7453627.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72635467) and next prime (72635473).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72635473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12031 + ... + 17029.

It is an arithmetic number, because the mean of its divisors is an integer number (8178750).

Almost surely, 2^72635470 is an apocalyptic number.

72635470 is a deficient number, since it is larger than the sum of its proper divisors (58224530).

72635470 is a wasteful number, since it uses less digits than its factorization.

72635470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459.

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 72635470 is about 8522.6445426288. The cubic root of 72635470 is about 417.2370988784.

The spelling of 72635470 in words is "seventy-two million, six hundred thirty-five thousand, four hundred seventy".